from flask import Flask
from flask import request
app=Flask(__name__)

@app.route('/')
def index():
	#user_agent=request.headers.get('User_agent')
	#return '<p>Your browser is %s</p>' % user_agent
    return '<h1>Bad Request</h1>',400
if __name__=='__main__':
    app.run(host='0.0.0.0',debug='True')
